After the murder of the Romanian Irina, the evidence points to a pimp. The case seems to have a quick conclusion, but Alex finds it hard to let go of the investigation.

Alex is certain that someone is trying to sabotage the investigation; Alex hears about Anna Winter, who has also lost her daughter and has never given up the search.

A man is found murdered in a remote industrial area. Alex is summoned and suddenly finds a clue with a link to her own kidnapping.

Alex discovers a connection between the dead Krusowitz and her own ex-boyfriend Jakob, but when she tells Nowak about it, he suspends Alex.